Port B Block Diagram - Renesas H8S/2633 Series Hardware Manual

C.7

Port B Block Diagram

PBn
Figure C-7 Port B Block Diagram (Pins PB0 to PB7)
1326
*
1
* 2
TPU input
(Input capture)
Legend
Notes: *1 Output enable signal
WDDRB : Write to PBDDR
WDRB : Write to PBDR
WODRB : Write to PBODR
WPCRB : Write to PBPCR
RDRB : Read PBDR
RPORB
: Read port B
RODRB : Read PBODR
RPCRB : Read PBPCR
n= 0 to 7
Reset
R
Q
PBnPCR
C
WPCRB
RPCRB
(Output compare)
TPU output
Reset
TPU output
enable
R
Q
PBnDDR
C
WDDRB
Reset
R
Q
PBnDR
Modes 4 to 6
C
Address
enable
WDRB
Reset
R
Q
PBnODR
C
WODRB
RODRB
RDRB
RPORB
*2 Open drain control signal
D
D
D
D